Added 9 October 2026 immoral /ɪˈmɒɹəl/ adjective Categories: Describing WordsUncommon Words In Latin: improbus Wiktionary adjective ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about immoral at Wordnik → Where our words come from → Breaching principles of natural law, rectitude, or justice, and so inconsistent with the demands of virtue, purity, or "good morals"; not right, not moral. Related Words: unethicaldishonorabledishonourableunprincipledbadwrongevilreprobatedisgracefulshamefuldepravedscandalous Back to today's word